import Vue from 'vue'
import Router from 'vue-router'

//import Login from '../components/Login.vue'
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')
//import Home from '../components/Home.vue'
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')
//import Welcome from '../components/Welcome.vue'
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')
//import Users from '../components/user/Users.vue'
const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users.vue')
//import Rights from '../components/power/Rights.vue'
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights.vue')
//import Roles from '../components/power/Roles.vue'
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles.vue')
//import Cate from '../components/goods/Cate.vue'
const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Cate.vue')
//import Params from '../components/goods/Params.vue'
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Params.vue')
//import GoodsList from '../components/goods/List.vue'
const GoodsList = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/List.vue')
//import Add from '../components/goods/Add.vue'
const Add = () => import(/* webpackChunkName: "GoodsList_Add" */ '../components/goods/Add.vue')
//import Order from '../components/order/Order.vue'
const Order = () => import(/* webpackChunkName: "Order_Report" */ '../components/order/Order.vue')
//import Report from '../components/report/Report.vue'
const Report = () => import(/* webpackChunkName: "Order_Report" */ '../components/report/Report.vue')


Vue.use(Router)


const router= new Router({
  routes: [
    {path: '/',redirect:'/login'}, //重定向自动跳转到登录页面
    {path: '/login',component:Login },
    {path: '/home',
    component:Home,
    redirect:'/reports',
    children:[{path:'/welcome',component:Welcome},
              {path:'/users',component:Users},
              {path:'/rights',component:Rights},
              {path:'/roles',component:Roles},
              {path:'/categories',component:Cate},
              {path:'/params',component:Params},
              {path:'/goods',component:GoodsList},
              {path:'/goods/add',component:Add},
              {path:'/orders',component:Order},
              {path:'/reports',component:Report}
  ]
  },
  ]
})

//挂载路由导航守卫
router.beforeEach((to,from,next) => {
  //to 将要访问的路径
  //from 代表从哪个路径跳转而来
  //next 是一个函数，表示放行
  //   next() 放行  next('login') 强制跳转

  if(to.path === '/login') return next();
  //获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})

export default router